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Apple: Web Apps Don’t Utilize Safari Performance Optimizations

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The better half of the afternoon today was spent reading about a silly iOS vs. Android web browsing speed benchmark that tried to prove iOS web browsing is slower than Android. Suffice to say, the whole thing was flawed and a waste of time.

Regarding the matter, Apple issued a statement to The Register confirming rumors that iOS web apps and embedded web views in apps run twice as slow as regular mobile Safari.

The iOS 4.3 update included a new “Nitro” web processing engine that runs java script 2x as fast as previous versions of mobile Safari. But this only happens in the full mobile Safari.

In other words, third-party web browser users and iOS web app users would not experience the mobile Safari improvements, the latter of which was used to “prove” iOS browsing is slower than Android browsing in the silly benchmark today (which spawned a lot of this mobile Safari vs. web app Safari stuff)

Apple spokesperson Trudy Miller confirms that only the full mobile Safari experiences performance enhancements:

The embedded web viewer does not take advantage of Safari’s web performance optimizations.

Done and done.

20110317-060634.jpg[The Register]

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  • steve81

    Now I see why I wasn’t noticing any improvement. I have an iPhone 4 upgraded to iOS 4.3, but I’m using Atomic Web Browser. Ran SunSpider to check JavaScript performance:

    Atomic Web Browser: 11103.0 ms
    Safari: 4239.5 ms

  • Cjhermes

    starting to hate apple. why do web apps not run as fast? probably because they want the app store to win.

  • Luca

    This is such bull im sorry but my safari runs the EXACT same speed as it did before NO difference.

  • Linkjul

    Yeah, good news… Don’t bash a company that says the truth, you lose credibility with a fanboy comment like that.

    Safari is the problem, it runs slow everywhere, the nitro thing won’t change the way the page is loaded.

    Any android phone loads pages faster, even the ones with slow 300mhz proc.

    I love my iPhone 4, but I hate so much safari, it’s just a bad addition to a good phone

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